import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const router = new VueRouter({
    routes: [{
        path: '/login',
        component: Login,
    }, {
        path: '/',
        redirect: '/login',
    }, {
        path: '/home',
        component: Home,
        redirect: '/welcome',
        children: [
            { path: '/welcome', component: Welcome },
            { path: '/users', component: Users },
            { path: '/rights', component: Rights },
            { path: '/roles', component: Roles },
            { path: '/categories', component: Cate },
            { path: '/params', component: Params },
            { path: '/goods', component: GoodsList },
            { path: '/goods/add', component: Add },
            { path: '/orders', component: Order },
            { path: '/reports', component: Report },
        ]
    }]
})

//挂载路由导航守卫
router.beforeEach((to, from, next) => {
    //to代表将要访问的路径

    //from代表从哪个路径跳转而来

    //next是一个函数，表示放行
    if (to.path === '/login')
        return next();
    //获取token，token不存在就跳转到登陆页面
    // const tokenStr = window.sessionStorage.getItem('token')
    // if (!tokenStr) {
    //     return next('/login')
    // }
    next()
})

export default router